1//
2// Copyright (c) 2001-2021 by PDFTron Systems Inc. All Rights Reserved.
3//
4
5using System;
6using pdftron;
7using pdftron.SDF;
8using pdftron.PDF;
9using pdftron.PDF.PDFA;
10
11//-----------------------------------------------------------------------------------
12// The sample illustrates how to use PDF/A related API-s.
13//-----------------------------------------------------------------------------------
14using NUnit.Framework;
15
16namespace MiscellaneousSamples
17{
18 [TestFixture]
19 public class PDFATest
20 {
21
22 // Relative path to the folder containing test files.
23 const string input_path = "TestFiles/";
24
25 /// <summary>
26 /// The main entry point for the application.
27 /// </summary>
28 [Test]
29 public static void Sample()
30 {
31 PDFNet.SetColorManagement(PDFNet.CMSType.e_lcms); // Required for PDFA validation.
32
33 //-----------------------------------------------------------
34 // Example 1: PDF/A Validation
35 //-----------------------------------------------------------
36 try
37 {
38 string filename = "newsletter.pdf";
39 using (PDFACompliance pdf_a = new PDFACompliance(false, Utils.GetAssetTempFile(input_path+filename), null, PDFACompliance.Conformance.e_Level2B, null, 10, false))
40 {
41 PrintResults(pdf_a, filename);
42 }
43 }
44 catch (pdftron.Common.PDFNetException e)
45 {
46 Console.WriteLine(e.Message);
47 Assert.True(false);
48 }
49
50 //-----------------------------------------------------------
51 // Example 2: PDF/A Conversion
52 //-----------------------------------------------------------
53 try
54 {
55 string filename = "fish.pdf";
56 using (PDFACompliance pdf_a = new PDFACompliance(true, Utils.GetAssetTempFile(input_path+filename), null, PDFACompliance.Conformance.e_Level2B, null, 10, false))
57 {
58 filename = "pdfa.pdf";
59 pdf_a.SaveAs(Utils.CreateExternalFile(filename), false);
60 }
61
62 // Re-validate the document after the conversion...
63 filename = "pdfa.pdf";
64 using (PDFACompliance pdf_a = new PDFACompliance(false, Utils.CreateExternalFile(filename), null, PDFACompliance.Conformance.e_Level2B, null, 10, false))
65 {
66 PrintResults(pdf_a, filename);
67 }
68 }
69 catch (pdftron.Common.PDFNetException e)
70 {
71 Console.WriteLine(e.Message);
72 Assert.True(false);
73 }
74 Console.WriteLine("PDFACompliance test completed.");
75
76 }
77
78 static void PrintResults(PDFACompliance pdf_a, String filename)
79 {
80 int err_cnt = pdf_a.GetErrorCount();
81 if (err_cnt == 0)
82 {
83 Console.WriteLine("{0}: OK.", filename);
84 }
85 else
86 {
87 Console.WriteLine("{0} is NOT a valid PDFA.", filename);
88 for (int i=0; i<err_cnt; ++i)
89 {
90 PDFACompliance.ErrorCode c = pdf_a.GetError(i);
91 Console.WriteLine(" - e_PDFA {0}: {1}.",
92 (int)c, PDFACompliance.GetPDFAErrorMessage(c));
93
94 if (true)
95 {
96 int num_refs = pdf_a.GetRefObjCount(c);
97 if (num_refs > 0)
98 {
99 Console.Write(" Objects: ");
100 for (int j=0; j<num_refs; )
101 {
102 Console.Write("{0}", pdf_a.GetRefObj(c, j));
103 if (++j!=num_refs) Console.Write(", ");
104 }
105 Console.WriteLine();
106 }
107 }
108 }
109 Console.WriteLine();
110 }
111 }
112 }
113}